*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RZ8928700 CHEMICAL NAME : Pentanamide, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol -4-yl)-2-(dimethylami no)- 4-methyl-, (+-)- CAS REGISTRY NUMBER : 62951-80-8 LAST UPDATED : 199706 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C19-H28-N4-O2 MOLECULAR WEIGHT : 344.51 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * N,N-Dimethyl-DL-leucine-4-antipyrineamide * PK 1 (pharmaceutical) *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1273 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PMHBAH Polish Medical Sciences and History Bulletin. (Chicago, IL) V.1-15, 1956-76. Discontinued. Volume(issue)/page/year: 17(4),323,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 144 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PMHBAH Polish Medical Sciences and History Bulletin. (Chicago, IL) V.1-15, 1956-76. Discontinued. Volume(issue)/page/year: 17(4),323,1974 *** END OF RECORD ***